Fire alarm triggers evacuation at MIT Building W4, Cambridge MA

Fire & Arson

Reported: 10/31/2025 12:04 PM

Near Memorial Dr w4, Cambridge, MA 02139

A fire alarm was triggered at MIT Building W4 on Memorial Drive, Cambridge. Firefighters responded to reports of smoke and a light haze in the basement near a machine shop, possibly from a generator. The building was evacuated as a safety precaution while the fire companies investigated the area.

Audio|Source: Cambridge Fire

02:22

Transcript:

00:00

StrikenBoss 2.6, located at near Memorial Dr, MIT Building W4.

00:05

Support smoke in the basement.

00:07

Responsive engines 2, 6 and 5, wires 3 and 2, Squad 2 and Division 1, company's operation, is 16 at 1506.

00:33

Let's get a fire alarm. Fire alarm is the answer.

00:41

We're clear in training. We're available for the box.

00:46

See Rescue, you're clear of training to respond into the box, near Memorial Dr.

00:50

Engine two to fire alarm.

00:53

Fire alarm is answering engine two.

00:56

Fire alarm is answering engine two. Fire alarm is answering engine two.

01:07

Rolfed Square Company is off. Engine 2 OLLIFMIT command, along to Channel 16.

01:12

Billings being evacuated.

01:14

The Rolfes Square companies are on location. Engine 2 is in command.

01:17

Bill is being evacuated, Channel 16, 1509.

01:34

Engineering 1 with an AOS for flying Broadway marketplace located at 466A Broadway between Ware Street and Felton Street for the Medical Assist.

01:45

Operating Channel 5, 1511.

01:48

Division 1, no file on.

01:50

Answer in Division 1.

01:53

Division 1 is off of the Box[1]ing Command, going to 16.

01:56

See, Division 1, your own location, you have Memorial Draft Command, Channel 16 and 15 as well.

02:02

See Division 1, your own location, you have Memorial Draft Command, Channel 16 and 1512.

02:08

Engine.

02:10

Division 1.

02:13

Command, Dan, sir.

02:17

Companies are investigating in the basement. We have a light odor, light haze, and a machine shop.

Police codes explained

The following codes appeared in the transcript and are explained below:

[1]

Box: Box alarm transmitted (initial fire alarm assignment)

Disclaimer:
This transcript was automatically generated and may contain inaccuracies. Please verify the information independently.

Location mentioned:

Near Memorial Dr w4, Cambridge, MA 02139

This shows a Google Street View of the area near the location, which might not be the exact address.

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